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Convert Iterator to ArrayList
...e Guava:
import com.google.common.collect.Lists;
Iterator<Element> myIterator = ... //some iterator
List<Element> myList = Lists.newArrayList(myIterator);
Another Guava example:
ImmutableList.copyOf(myIterator);
or Apache Commons Collections:
import org.apache.commons.collections...
gdb fails with “Unable to find Mach task port for process-id” error
My app runs fine but gdb fails to debug it with the following error
12 Answers
12
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Images can't contain alpha channels or transparencies
...got an error message when I tried to set Screenshots on itunes connect for my app.
23 Answers
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Revert a range of commits in git
...purling reports in the comments:
Upgrading to 1.7.4 works fine.
To answer my own question, this is the syntax I was looking for:
git revert B^..D
B^ means "the first parent commit of B": that allows to include B in the revert.
See "git rev-parse SPECIFYING REVISIONS section" which include the ...
How JavaScript closures are garbage collected
...Chrome bug , which has led to many serious and non-obvious memory leaks in my code:
6 Answers
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How to simulate a touch event in Android?
...nds touch and drags to an application. I have been using this to test that my application can handle rapid repetitive swipe gestures.
# This is a monkeyrunner jython script that opens a connection to an Android
# device and continually sends a stream of swipe and touch gestures.
#
# See http://deve...
Google Guava isNullOrEmpty for collections
...
My answer is the same: try to remove the ambiguity by normalizing null to an empty collection as soon as you can. If you just can't, then okay, you might be one of the <1% of users who really want to write their own trivia...
Handlebars/Mustache - Is there a built in way to loop through the properties of an object?
...is no more need for external helpers.
How to use it
For arrays:
{{#each myArray}}
Index: {{@index}} Value = {{this}}
{{/each}}
For objects:
{{#each myObject}}
Key: {{@key}} Value = {{this}}
{{/each}}
Note that only properties passing the hasOwnProperty test will be enumerated.
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How to concatenate properties from multiple JavaScript objects
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after 4 hours, this answer solved my problem in Angular 7. Thanks for the simplicity and accurateness of answer.
– Gel
Sep 14 '19 at 18:38
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How to trigger event in JavaScript?
...e attached an event to a text box using addEventListener . It works fine. My problem arose when I wanted to trigger the event programmatically from another function.
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